Where does “رōزag” come from?

رōزag (Pahlavi) comes from Proto-Iranian ráwčakah, from Proto-Indo-Iranian ráwčas, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

Ancestry of “رōزag”, step by step

StepLanguageWordMeaning
1Proto-Iranianráwčakahfasting
2Proto-Indo-Iranianráwčasday; light
3Proto-Indo-Europeanlewḱ-lynx
4Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Indo-Iranian ráwčas →